ATM photomultiplier tubes?

[barry.klein@deltronix.com (Barry Klein)]

Who was it that wrote me that had the 2 photomultiplier tubes?
I got the March and April '74 S&T's (autoguider circuit) at RTMC 
and the circuit isn't really that complex at all.  If you or someone 
else has a couple of these at a giveaway price I'd give the circuit a
try (although I'd like to learn more about attempts with photodiodes-
aren't some of you into photometry?).
Barry

... Elect. Music, Photography, Bubble Machines, Stunt Kites, Elect. Design

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